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Supplied By www.heating spares.co  Tel. 0161 620 6677

Summary of Contents for Dua 120

Page 1: ...Supplied By www heating spares co Tel 0161 620 6677 Installation and Maintenance Instruction Manual Including User Instructions CaNI CHAFFOTEAUX8Md RY ...

Page 2: ...etent person in accordance with the recommendations made herein current standards regulations or in a manner not approved by the manufacturer modified in any way subjected to frost misuse or neglect and that factory fitted parts have had unauthorised repairs or replacements carried out Evidence of purchase and the date of supply must be made available at the time of any claim To assist us in provi...

Page 3: ... Maintenance 13 Fault Finding Charts 14 Spare Parts List 17 Spare Parts Short List 17 User s Instructions 18 Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 Fig 6 Fig 7 Fig 8 Fig 9 Fig 10 paw Dimensions 4 Combination safety control valves 5 Cylinder connected to System Plus Boiler 5 Cylinder connected to System Boiler 6 Discharge pipe arrangement 7 Discharge pipe sizing 7 Wiring for electrical element 8 Thermostat ...

Page 4: ...e requirements of EN 60335 2 21 EN 60529 The cylinders should be stored and installed in an upright position and be protected from extremes of temperature and humidity at all times They must never be lifted or carried by the flow and return pipes or connections DUO Cylinders Storage Capacity ltrs Weight of unit when empty Weight of unit when full Maximum operating pressure Expansion vessel charge ...

Page 5: ...water outlet M 3 4 G v f nl Coldwater inlet M 3 4 G ll4 c 1 0550 i 230 Flowfrom heatingboilerM 1 G 1 Drainpoint M 3 4 G y I yq q Minimumclearance 600mm Fig 1 Dimensions re andpressure I 2 J G A B C D 120 I 960mm 935mm 300mm 350mm 150 I 1150mm 1125mm 300mm 500mm 200 I 1435mm 1401mm 300mm 500mm 4 ...

Page 6: ...ish 9 Drain valve 10 Two port motorized safety cut off valve 11 Balanced cold water supply 12 Connecting pipe to expansion vessel 13 Cold water inlet pipe to cylinder 14 Hot water outlet pipe 15 Flow from boiler to cylinder coil 16 Return from coil to boiler 17 Electrical supply for direct element 18 Cover for electrical element and thermostat 19 Discharge pipe 20 Flow to central heating 21 Gas su...

Page 7: ...port safety cut off valve is only necessary if the cylinders are linked to a boiler other than the Britony System Plus Boiler The Electrical Element The cylinder contains an alternative source of power It is fitted with a 230 3 kW ceramic core element with a factory set thermostat and a manually re settable thermal cut out 6 ...

Page 8: ...ty Components The diagram should be used only for guidance for the positioning of the safety components and controls Water will only flow from the discharge pipe under conditions of overheating or over pressurisation It is important that the discharge is visible at the tundish or termination point l The discharge pipe from the tundish must be of metal and positioned away from any electrical compon...

Page 9: ...paration of at least 3mm on both poles Alternatively a fused 13 amp 3 pin plug and unswitched socket may be used provided it is not used in a room containing a bath or shower It should only supply the appliance and be readily accessible and adjacent to the appliance l Remove the front cover l Ensure that the supply voltage is correct for the appliance l Connect the main electrical supply to the th...

Page 10: ...YOU ARE ANY DOUBT Britony System Plus Boiler The DUO 120 150 and 200 cylinders have been designed to work in conjunction with the Britony System Plus Boiler to provide the best possible combination of performance and efficiency They also utilize the boiler s built in 3 port valve which simplifies installation and wiring co from Cylinder Mains Thermostat nnections J Fig 8 Thermostat connections Fig...

Page 11: ...imeclock for example Randall 103 er q Interface PC Fig 11 Hot water on constant and central heating timed Option 2 Using hot water priority with a timed facility for both hot water and central heating A twin channel clock such as the Horstman Channelplus Model H27 must be used Two Channel Programmer For example Horstman Channelplus IhJl resistor Model H27 Thermostat Fig 12 Hot water and heating ti...

Page 12: ...er or a boiler from another manufacturer a two port safety cut off valve must be used This is supplied with the cylinder It can be used together with another two port valve to provide timed control over the heating and hot water circuits Fused Spur Fig 13 Britony System boiler using 2 x two port valves ...

Page 13: ... an electrical test for earth continuity correct polarity short circuit and fuse continuity l Turn on the electrical supply and allow the water to heat up l Check the correct operation of the cylinder thermostat l Check that water is not discharged from either the expansion relief or the temperature and pressure relief valves Indirect Heating l Refer to the boiler commissioning instructions l Ensu...

Page 14: ...off the main water inlet valve and opening the lowest hot water tap to depressurise the system Open the drain valve 9 Fig 3 and drain approximately 5 litres The anode is located at the top of the cylinder Remove the cover Disconnect the outlet pipe to from the T P valve Unscrew 6 screws and lift the top plate clear When new the diameter of the anode is 26mm If at any point along its length the dia...

Page 15: ... Deteriorating flow from taps I Cold water from hot taps I Boiler not operating Reset or check operation of boiler thermostat 1 Check operation of Boiler in conjunction with boiler fault finding chart Fig 15 Cold water from taps Indirect System 1 Direct r System IReset thermal cut out on indirect system Re set thermal cut out on direct system Check operation of electrical thermostat Check operatio...

Page 16: ...onditions I Adjust or replace faulty component No Are the boiler and cylinder thermostats operating correctly Yes I Service or exchange expansion relief valve Is the pressure downstream of the pressure regulator correct Service or replace pressure regulator Please Note Use only genuine Chaffoteaux replacement parts Fig 16 Discharge from expansion relief valve m C M c y x y ...

Page 17: ... still ocurring I Yes Is discharge water temperature above 1OOOC Yes Check the operation setting of Yes No Reset or replace as necessary Adjust or replace as necessary t No Checkoperation e I I Discharge has stopped Please Note Use only genuine Chaffoteaux replacement parts Fig 17 Discharge from temperature and pressure relief valve ...

Page 18: ...Supplied By www heating spares co Tel 0161 620 6677 9 10 11 12 6 17 m C M ...

Page 19: ...inder continues to operate efficiently and safely it is essential that it is serviced and inspected annually This may be timed to coincide with the annual boiler maintenance l Servicing and repairs should be carried out by a competent engineer l Any part replaced should be genuine Chaffoteaux Maury spare part If the thermal cut out is activated it is necessary to reset and check the operation of b...

Page 20: ...ons without prior notice and accepts no liability for any errors or omission in the information contained in this document 0 Chaffoteaux Maury Limited 1999 Chaffoteaux Maury Limited Trench Lock Trench Telford Shropshire TFI 4SZ 3 Telephone 01952 222727 Facsimile 01952 243493 0 Technical Helpline 01952 222288 Technical Fax 01952 2609151 In Warranty Service 0870 2430224 ...

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